Sentences with phrase «number of amphibian»

There are a large number of amphibian species in the world and some of the species most commonly kept as pets include the South American horned frogs, tiger salamanders, waxy monkey tree frog and the African clawed frog.
«But this was not always the case,» explains Professor Dr. Madelaine Böhme, director of the Senckenberg Centre for Human Evolution and Palaeoenvironment (HEP) at the University of Tübingen, who continues, «Our most recent study shows that the number of amphibian and reptile species used to be much higher in the course of geological history.»
«Firstly, it means that an island that is home to a particularly high number of amphibian species is now at risk.
Worldwide, such statistics suggest that vast numbers of amphibians and reptiles are traded for medicines and food.

Not exact matches

But the numbers of both increased in abandoned cacao plantations, by 4 % annually for amphibians, and 2.7 % per year for reptiles.
They found that a broad range of insecticides commonly used in the U.S. kill amphibian parasites, which could potentially decrease the number of parasites that amphibians must defend against.
Only small numbers of the black - yellow amphibian have survived the invasion of Batrachochytrium salamandrivorans — the «devourer of salamanders.»
«We show that even if deforestation had completely halted in 2010, time lags ensured there would still be a carbon emissions debt equivalent to five to ten years of global deforestation and an extinction debt of more than 140 bird, mammal, and amphibian forest - specific species, which, if paid, would increase the number of 20th century extinctions in these groups by 120 percent,» says Isabel Rosa (@isamdr86) of the Imperial College of London.
Of the total new species of amphibians (1581) described globally between the years 2006 - 2015, the highest number were from the Brazilian Atlantic Forest (approximately 182) followed by the Western Ghats - Sri Lanka biodiversity hotspot (approximately 159), with 103 species described alone from the Western Ghats regioOf the total new species of amphibians (1581) described globally between the years 2006 - 2015, the highest number were from the Brazilian Atlantic Forest (approximately 182) followed by the Western Ghats - Sri Lanka biodiversity hotspot (approximately 159), with 103 species described alone from the Western Ghats regioof amphibians (1581) described globally between the years 2006 - 2015, the highest number were from the Brazilian Atlantic Forest (approximately 182) followed by the Western Ghats - Sri Lanka biodiversity hotspot (approximately 159), with 103 species described alone from the Western Ghats region.
The past decade has witnessed an exponential increase in the number of new amphibian species described from this region.
Of the many amphibian populations that Bd savaged around the world (SN: 3/5/16, p. 14), a few have bounced back in numbers.
Another idea is to boost the numbers of zooplankton in ponds where amphibians breed.
The new species is likely found within the park as well, bringing the number of known amphibian species in this area to 156.
Reisz and his graduate students suggest that the next big question relates to evolutionary changes to the overall abundance of teeth: if these ancient amphibians had an astonishing number of teeth, why have most modern amphibians reduced or entirely lost their teeth?
A relatively small number of species are blamed: cats, rats and goats are among the most common offenders, along with microorganisms like the amphibian - killing chytrid fungus and the avian malaria parasite.
Although specimens of fishes, marine reptiles, non-avian dinosaurs, birds, and mammals of this age have all been recovered from this now - frozen continent, most fossils, especially those of land - living species, are fragmentary and poorly informative, and a number of major vertebrate groups that likely once lived in Antarctica (e.g., amphibians, crocodilians) have yet to be discovered at all.
In assessing extinction intensities, scientists often talk about the number of species going extinct within a certain genus, family, class, and so on, as I did above for species of amphibians, reptiles, birds, and mammals.
Logged total numbers of birds, amphibians and corals are represented by A, B and C respectively (see Fig. 3 for maps of the total numbers of species).
As the number of U.S. households with pet reptiles and amphibians continues to grow, so does the need for related products and equipment.
During the next 12 months, PIJAC expects to be embroiled in a number of proceedings involving the listing of marine fish (clownfish and damsel fish), corals, parrots, reptiles and amphibians.
While a squirrel may be an atypical companion, industry experts say an increasing number of consumers are becoming pet parents to an eclectic assortment of small mammals, reptiles, amphibians, fish and birds.
Of course, it's perfect for most amphibians, but I have been surprised to see customers keeping it as a basic cage - wide bottom layer for any number of specieOf course, it's perfect for most amphibians, but I have been surprised to see customers keeping it as a basic cage - wide bottom layer for any number of specieof species.
Ongoing monitoring efforts are measuring changes in amphibian and reptile population biology in response to pig removal on Santa Cruz Island, the number of bats occupying important maternity colonies on Santa Cruz, and mouse population dynamics as they relate to changes in fox numbers on San Miguel Island.
Kruger National Park is home to an impressive number of species: 336 trees, 49 fish, 34 amphibians, 114 reptiles, 507 birds and 147 mammals.
The global decline in amphibian numbers — 2 % since the 1950's, according to a study in Nature by Houlahan et al. (2000) should be a metaphor of the miner's canary — after all, amphibians are perhaps the best vertebrate indicators of environmental quality.
The global decline in amphibian numbers — 2 % since the 1950â $ ™ s, according to a study in Nature by Houlahan et al. (2000) should be a metaphor of the minerâ $ ™ s canary — after all, amphibians are perhaps the best vertebrate indicators of environmental quality.
Birds have the highest number of threatened and near - threatened species, followed by amphibians.
A number of reptile and amphibian species occur in the area, including the sensitive boreal toad and northern leopard frog.
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